Apple announced a major update to its development tools today with the introduction of Xcode 26.3, enabling developers to integrate autonomous AI agents directly into their programming workflow. The update unlocks support for "agentic coding," allowing third-party tools like Anthropic's Claude Agent and OpenAI's Codex to tackle complex coding tasks inside Apple's native environment.
This release represents a distinct shift away from standard code completion. Rather than simply suggesting code at the cursor, these agents operate with a greater degree of autonomy. Apple says the system can take a broader development goal, break it into steps, and make decisions based on a project's architecture. Agents can use built-in tools to execute changes, search documentation, and explore file structures with less direct intervention from the developer.
The timing is notable, coming only a couple of days after OpenAI released its standalone Codex app for macOS. While that application serves as a dedicated command center for managing coding agents on the desktop, Xcode 26.3 brings similar functionality directly into the Xcode IDE. Integrating these models directly into Xcode allows developers to use advanced reasoning capabilities as part of their existing workflow.
Xcode 26.3 also expands visual verification for coding agents. Integrated agents can capture Xcode Previews and use them when iterating through builds and fixes, allowing visual feedback to be incorporated into the development process. The capability builds on the predictive features introduced in Xcode 26, which focused primarily on writing and editing Swift code.
"At Apple, our goal is to make tools that put industry-leading technologies directly in developers' hands so they can build the very best apps," said Susan Prescott, Apple's vice president of Worldwide Developer Relations. "Agentic coding supercharges productivity and creativity, streamlining the development workflow so developers can focus on innovation."
Apple isn't locking this feature down to just a few partners, either. In addition to the built-in support for Claude and Codex, Xcode 26.3 supports the Model Context Protocol. This is an open standard that lets developers bring in any compatible agent or tool, providing the flexibility to use whichever model works best for a specific project rather than being forced into a single ecosystem.
Xcode 26.3 is available as a release candidate for Apple Developer Program members starting today. A final public release is expected to arrive on the App Store soon.